Intravenous Immunoglobulins for Prevention of BKV Infection in Kidney Transplant Recipients According to BKV Genotype-specific Neutralizing Antibody Titers at the Day of Transplantation.

"Experimental group: administration of a single dose of IVIG at:~* Day 10+/- 4 days~* Day 41 +/- 7 days~* Day 62 +/- 7 days The dose of IVIG is defined according the donor BKV genotype: genotype I: 0.4 g/Kg/day; genotype II and IV: 1g/kg/day."